As silly as it may be, there are unwritten rules of Instagram. Don't cheat and use pictures you took with your DSLR. Don't post too many pictures of food. Don't hashtag bomb every single picture. Don't take it too seriously. Etcetera, etcetera. But you can totally imagine celebrities on their last minute of fame breaking every single one of those rules. Just like this hilarious episode of Very Mary Kate by College Humor that pokes fun of Mary Kate Olsen for having a whole crew and writing team figuring out her every Instagram.

The rest of this week's top comedy videos, including rejected movie pitches, iPhone game conversations, and annoying friends can be found over at Splitsider.